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Shannan Muskopf
Quiz by , created more than 1 year ago

Practice doing basic genetic crosses that involve only one trait.

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Shannan Muskopf
Created by Shannan Muskopf about 7 years ago
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Genetics - Simple Punnet Squares

Genetics - Simple Punnet Squares

Question 1 of 5 Question 1 of 5

1

In pea plants, tall (T) is dominant to short (t). A plant with genotype Tt is crossed with a plant with type tt. What percentage of their offspring will be tall?

Select one of the following:

  • 0

  • 25

  • 50

  • 75

  • 100

Explanation

Question 2 of 5 Question 2 of 5

1

Two heterozyous pea pants (Tt) are crossed. What percentage of their offspring will be short?

Select one of the following:

  • 0

  • 25

  • 50

  • 75

  • 100

Explanation

Question 3 of 5 Question 3 of 5

1

A true-breeding pea plant (TT) is crossed with one that is short (tt). What percentage of their offspring will be tall?

Select one of the following:

  • 0

  • 25

  • 50

  • 75

  • 100

Explanation

Question 4 of 5 Question 4 of 5

1

In fruit flies, vestigial wings are recessive. Flies with GG or Gg will have normal sized wings. If two vestigial wing flies are crossed, what percentage of their offspring will also have vestigial wings.

Select one of the following:

  • 0

  • 25

  • 50

  • 75

  • 100

Explanation

Question 5 of 5 Question 5 of 5

1

If a vestigial winged fly (gg) is crossed with one that is heterozygous, what percentage of their offspring will have normal wings?

Select one of the following:

  • 0

  • 25

  • 50

  • 75

  • 100

Explanation

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